| Package | Affected versions | Patched versions |
|---|---|---|
| envoy | ≥ 1.23.0, < 1.23.6≥ 1.24.0, < 1.24.4≥ 1.25.0, < 1.25.3< 1.22.9 | 1.23.61.24.41.25.31.22.9 |
Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, the OAuth filter assumes that a `state` query param is present on any response that looks like an OAuth redirect response. Sending it a request with the URI path equivalent to the redirect path, without the `state` parameter, will lead to abnormal termination of Envoy process. Versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9 contain a patch. The issue can also be mitigated by locking down OAuth traffic, disabling the filter, or by filtering traffic before it reaches the OAuth filter (e.g. via a lua script).
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